Home / 39,769.08-59,649.96-13,474.08

Finding the Fourth Proportional to 39,769.08, 59,649.96 and 13,474.08

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Solution

The fourth proportional to 39,769.08, 59,649.96 and 13,474.08 is: 20,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,769.08 : 59,649.96 = 13,474.08 : x
  2. Step 2: Convert to fraction form
    39,769.08/59,649.96 = 13,474.08/x
  3. Step 3: Cross multiply
    39,769.08x = 59,649.96 × 13,474.08
  4. Step 4: Simplify right side
    39,769.08x = 803,728,333.04
  5. Step 5: Solve for x
    x = 803,728,333.04/39,769.08
  6. Step 6: Final answer
    x = 20,209.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.